5x^3(6x^2+8x-17)=0

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Solution for 5x^3(6x^2+8x-17)=0 equation:


Simplifying
5x3(6x2 + 8x + -17) = 0

Reorder the terms:
5x3(-17 + 8x + 6x2) = 0
(-17 * 5x3 + 8x * 5x3 + 6x2 * 5x3) = 0
(-85x3 + 40x4 + 30x5) = 0

Solving
-85x3 + 40x4 + 30x5 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '5x3'.
5x3(-17 + 8x + 6x2) = 0

Ignore the factor 5.

Subproblem 1

Set the factor 'x3' equal to zero and attempt to solve: Simplifying x3 = 0 Solving x3 = 0 Move all terms containing x to the left, all other terms to the right. Simplifying x3 = 0 The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined.

Subproblem 2

Set the factor '(-17 + 8x + 6x2)' equal to zero and attempt to solve: Simplifying -17 + 8x + 6x2 = 0 Solving -17 + 8x + 6x2 = 0 Begin completing the square. Divide all terms by 6 the coefficient of the squared term: Divide each side by '6'. -2.833333333 + 1.333333333x + x2 = 0 Move the constant term to the right: Add '2.833333333' to each side of the equation. -2.833333333 + 1.333333333x + 2.833333333 + x2 = 0 + 2.833333333 Reorder the terms: -2.833333333 + 2.833333333 + 1.333333333x + x2 = 0 + 2.833333333 Combine like terms: -2.833333333 + 2.833333333 = 0.000000000 0.000000000 + 1.333333333x + x2 = 0 + 2.833333333 1.333333333x + x2 = 0 + 2.833333333 Combine like terms: 0 + 2.833333333 = 2.833333333 1.333333333x + x2 = 2.833333333 The x term is 1.333333333x. Take half its coefficient (0.6666666665). Square it (0.4444444442) and add it to both sides. Add '0.4444444442' to each side of the equation. 1.333333333x + 0.4444444442 + x2 = 2.833333333 + 0.4444444442 Reorder the terms: 0.4444444442 + 1.333333333x + x2 = 2.833333333 + 0.4444444442 Combine like terms: 2.833333333 + 0.4444444442 = 3.2777777772 0.4444444442 + 1.333333333x + x2 = 3.2777777772 Factor a perfect square on the left side: (x + 0.6666666665)(x + 0.6666666665) = 3.2777777772 Calculate the square root of the right side: 1.810463415 Break this problem into two subproblems by setting (x + 0.6666666665) equal to 1.810463415 and -1.810463415.

Subproblem 1

x + 0.6666666665 = 1.810463415 Simplifying x + 0.6666666665 = 1.810463415 Reorder the terms: 0.6666666665 + x = 1.810463415 Solving 0.6666666665 + x = 1.810463415 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.6666666665' to each side of the equation. 0.6666666665 + -0.6666666665 + x = 1.810463415 + -0.6666666665 Combine like terms: 0.6666666665 + -0.6666666665 = 0.0000000000 0.0000000000 + x = 1.810463415 + -0.6666666665 x = 1.810463415 + -0.6666666665 Combine like terms: 1.810463415 + -0.6666666665 = 1.1437967485 x = 1.1437967485 Simplifying x = 1.1437967485

Subproblem 2

x + 0.6666666665 = -1.810463415 Simplifying x + 0.6666666665 = -1.810463415 Reorder the terms: 0.6666666665 + x = -1.810463415 Solving 0.6666666665 + x = -1.810463415 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.6666666665' to each side of the equation. 0.6666666665 + -0.6666666665 + x = -1.810463415 + -0.6666666665 Combine like terms: 0.6666666665 + -0.6666666665 = 0.0000000000 0.0000000000 + x = -1.810463415 + -0.6666666665 x = -1.810463415 + -0.6666666665 Combine like terms: -1.810463415 + -0.6666666665 = -2.4771300815 x = -2.4771300815 Simplifying x = -2.4771300815

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.1437967485, -2.4771300815}

Solution

x = {1.1437967485, -2.4771300815}

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